-82.83% is the change from 297 to 51
Calculation steps:
[( 51 - 297 ) ÷ 297] x 100 = -82.83%
Formula
Percentage change = [(51 - 297) / 297] x 100
Subtract the new number by the original number
51 - 297 = -246
-246 ÷ 297 = -0.8282828282828283
-0.8282828282828283 x 100 = -82.83%